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Finding the Fourth Proportional to 170,668.25, 256,002.38 and 46,009.25

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Solution

The fourth proportional to 170,668.25, 256,002.38 and 46,009.25 is: 69,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,668.25 : 256,002.38 = 46,009.25 : x
  2. Step 2: Convert to fraction form
    170,668.25/256,002.38 = 46,009.25/x
  3. Step 3: Cross multiply
    170,668.25x = 256,002.38 × 46,009.25
  4. Step 4: Simplify right side
    170,668.25x = 11,778,477,502.02
  5. Step 5: Solve for x
    x = 11,778,477,502.02/170,668.25
  6. Step 6: Final answer
    x = 69,013.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.